B - Operations – Transporting – 05 – D
Patent
B - Operations, Transporting
05
D
B05D 5/10 (2006.01) C08H 8/00 (2010.01) B27N 3/00 (2006.01) B29C 70/58 (2006.01) B29C 70/60 (2006.01) B32B 3/12 (2006.01) C04B 20/02 (2006.01) C04B 20/10 (2006.01) C04B 26/02 (2006.01) C04B 26/08 (2006.01) C08K 9/08 (2006.01) C08L 97/02 (2006.01)
Patent
CA 2204117
A method of preparing particles of an exfoliated vermiculite for the manufacture of a finished product, such as a particle board, includes the steps of, if necessary, chemically modifying the vermiculite by impregnating the vermiculite with a suitable anhydride in a non-aqueous solvent; if necessary, applying to the particles of vermiculite an adhesion promoter to promote the adherence of a resin to the surfaces of the particles of vermiculite; and resinating the particles of vermiculite either with a thermoplastic resin which has been surface modified by irradiation or by fluorination, or by an isocyanate thermosetting resin, or by a dry powder novolac thermosetting resin; and if necessary removing any solvent present.
Procédé de préparation de particules de vermiculite expansée en vue de la fabrication de produits finis tels que des panneaux de particules et comportant les étapes suivantes: modifier chimiquement si nécessaire la vermiculite en l'imprégnant d'un anhydride adéquate dissous dans un solvant non aqueux, appliquer si nécessaire aux particules de vermiculite un promoteur d'adhérence renforçant l'adhérence de résines à la surface desdites particules, enduire les particules soit d'une résine modifiée en surface par irradiation ou fluoration, soit d'une résine d'isocyanate thermodurcissable, soit d'une poudre sèche de novolaque thermodurcissable; et si nécessaire extraire tout solvant présent.
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Tower Technologies (proprietary) Limited
Windsor Technologies Limited
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